Design and Analysis of I-Shaped UWB Antenna with Dual Band Notched Characteristics

被引：20
作者：
Pandey, Gaurav Kumar [1 ]
Singh, Hari Shankar [1 ]
Bharti, Pradutt Kumar [1 ]
Meshram, Manoj Kumar [1 ]
机构：
[1] Banaras Hindu Univ, Dept Elect Engn, Indian Inst Technol, Varanasi 221005, Uttar Pradesh, India
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2016年 / 89卷 / 01期
关键词：
Band notched; Ultra-wideband; Monopole antenna; WiMAX; WLAN; Equivalent circuit; ULTRA-WIDE-BAND; MULTIBAND WIRELESS SYSTEMS; PLANAR MONOPOLE ANTENNA;
D O I：
10.1007/s11277-016-3253-5
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This manuscript presents, a compact dual band notched Psi-shaped ultrawideband (UWB) monopole antenna. The antenna consists of a Psi-shaped radiating patch loaded with the omega-shaped and inverted C-shaped slots. By properly optimizing the shape parameters of the omega-shaped slot and the inverted C-shaped slot along with the rectangular stub, dual band notched characteristics for Worldwide Interoperability for Microwave Access (3.3-3.8 GHz) and Wireless Local Area Network (5.15-5.825 GHz) is achieved, respectively. An equivalent RLC resonant circuit is proposed for the dual band notched characteristics of the antenna which is based on the current distribution and the input impedance characteristics of the antenna. The simulated and measured values of the VSWR and the input impedance characteristics are also compared with the values obtained from the equivalent circuit analysis. The simulated and measured results show that the proposed antenna has 2.5-11.5 GHz (about 129 % fractional bandwidth) operational impedance bandwidth (VSWR < 2) with dual band notched characteristics, stable radiation patterns, and good time domain characteristics which are essential for the UWB applications.
引用
收藏
页码：79 / 92
页数：14
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